Iron



FIG. 1 is a front perspective view of an iron showing a first embodiment of our new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof,

FIG. 5 is a front view thereof;

FIG. 6 is a rear view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken line showing of various regions in FIGS. 1-8 is for environmental purposes only and forms no part of the claimed design. 

The ornamental design for an iron, as shown and described. 